16551680

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 40446672

約数和(自身を除く): 23894992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 193, 256, 268, 320, 335, 386, 536, 640, 670, 772, 965, 1072, 1280, 1340, 1544, 1930, 2144, 2680, 3088, 3860, 4288, 5360, 6176, 7720, 8576, 10720, 12352, 12931, 15440, 17152, 21440, 24704, 25862, 30880, 42880, 49408, 51724, 61760, 64655, 85760, 103448, 123520, 129310, 206896, 247040, 258620, 413792, 517240, 827584, 1034480, 1655168, 2068960, 3310336, 4137920, 8275840, 16551680]

約数ペア:

[(1, 16551680), (2, 8275840), (4, 4137920), (5, 3310336), (8, 2068960), (10, 1655168), (16, 1034480), (20, 827584), (32, 517240), (40, 413792), (64, 258620), (67, 247040), (80, 206896), (128, 129310), (134, 123520), (160, 103448), (193, 85760), (256, 64655), (268, 61760), (320, 51724), (335, 49408), (386, 42880), (536, 30880), (640, 25862), (670, 24704), (772, 21440), (965, 17152), (1072, 15440), (1280, 12931), (1340, 12352), (1544, 10720), (1930, 8576), (2144, 7720), (2680, 6176), (3088, 5360), (3860, 4288)]